import urllib.request

url = 'https://www.baidu.com'

headers = {
    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36'
}

# 因为urlopen方法中不能存储字典 所以headers不能传递进去
# 请求对象的定制
request = urllib.request.Request(url=url, headers=headers)
response = urllib.request.urlopen(request)
content = response.read().decode('utf-8')
print(content)
